CN102416709B - Floating guide device for use on long-travel hydraulic press - Google Patents
Floating guide device for use on long-travel hydraulic press Download PDFInfo
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- CN102416709B CN102416709B CN201110358155.9A CN201110358155A CN102416709B CN 102416709 B CN102416709 B CN 102416709B CN 201110358155 A CN201110358155 A CN 201110358155A CN 102416709 B CN102416709 B CN 102416709B
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- guide rail
- roller
- tightening mechanism
- heart
- adjusting machine
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Abstract
The invention relates to a floating guide device for use on a long-travel hydraulic press, which comprises a guide rail 1 and a movable piece 3 which is guided to move on the guide rail 1, wherein the guide rail 1 is fixed on a machine frame 2; the movable piece 3 is arranged on a movable beam 4 which moves up and down relative to the machine frame 2; and the guide rail 1 and the movable piece 3 form a movable pair. The key points of the structure of the deice include: the movable piece 3 comprises a support, a pre-tightening mechanism 37, a displacement regulating mechanism 33 and a roller 31; the pre-tightening mechanism 37 and the displacement regulating mechanism 33 are supported on the support respectively; the displacement regulating mechanism 33 is connected with the pre-tightening mechanism 37; and the roller 31 is arranged on the displacement regulating mechanism 33. When the device is used, the phenomenon that the movement of a movable cross beam may be unsmooth or even deadly is eliminated, and the guide movement is smooth. Meanwhile, the device can be used in combination with a dynamic leveling device to ensure accurate die closing and product precision and effectively prevent the die from being damaged by die friction caused by the positional deviation between the movable cross beam and a lower work table.
Description
Technical field
The present invention relates to the guide rail in a kind of parts of forcing press, particularly relate to a kind of being applied in compared with the floating guide device on Long travel hydraulic press.
Background technology
Current known press comprises walking beam, press frame, main hydraulic cylinder, walking beam guiding mechanism and mould etc., press frame is made up of entablature, sill, left and right pillar, walking beam performs the action of setting under main hydraulic cylinder drives along guiding mechanism, process of finishing the work.Composite material hydraulic machine and other hydraulic presses with special requirement due to stroke longer, easily cause moved cross beam in total travel due to guiding mechanism and lower table face perpendicularity other foozle not high and cause the smooth even stuck phenomenon of operation.
Above-mentioned this foozle also can affect moved cross beam close to positional precision when the next and workbench matched moulds, in order to solve the impact of this foozle on compacting precision such as positional precision during matched moulds and velocity accuracies, CN201506029U discloses a kind of dynamic leveling device, it is by four identical passive cylinders for support hydraulic pressure machine slide block, and the reaction force by passive cylinder under above-mentioned this foozle causes occurring the unbalanced situation in corner balances.But this reaction force balances the position adjustment amount produced and will act directly on guiding mechanism, when walking beam guiding mechanism is rigid mechanism, this dynamic leveling device is not by smooth until stuck for the operation aggravating walking beam further.
Summary of the invention
The object of the invention is to overcome weak point of the prior art, and provide a kind of and have better adaptability to the guiding mechanism accuracy of manufacture, in walking beam stroke can in real time in response to the guiding mechanism accuracy of manufacture unobstructed operation be applied in compared with the floating guide device on Long travel hydraulic press, a further object of the present invention is to provide one can combinationally use with dynamic leveling device, and dynamic leveling device is applied in smoothly compared with the floating guide device on Long travel hydraulic press.
The object of the invention is to be realized by following approach.
Be applied in compared with the floating guide device on Long travel hydraulic press, comprise guide rail and the moving part of guiding movement on guide rail, guide rail is fixed in frame, moving part is arranged on relative frame and does on the walking beam that moves up and down, guide rail and moving part form moving sets, its composition main points are: moving part comprises bearing, pre-tightening mechanism, shift adjusting machine and roller, pre-tightening mechanism and shift adjusting machine are supported on bearing respectively, shift adjusting machine is connected with pre-tightening mechanism, and roller is arranged on shift adjusting machine.
Like this, the pretightning force of pre-tightening mechanism acts on roller by shift adjusting machine, roller is fitted on guide rail all the time and walks, when running to the position of trueness error, due to the existence of shift adjusting machine, roller can do adjustment of displacement with in response to this trueness error.
When jointly using with dynamic leveling device, the displacement that dynamic leveling device produces can be absorbed by shift adjusting machine, thus ensure that normally can work dynamic leveling device the displacement of not reason reaction balance affects that guide rail runs unobstructed.
Object of the present invention can also be realized by following approach.
Pre-tightening mechanism passes through the first jointed shaft hinged support on bearing.
Pre-tightening mechanism or a kind of Compress Spring; Or a kind of hydraulic cylinder.
Such scroll wheel positions is controlled by hydraulic cylinder, and the operating pressure of hydraulic cylinder is set by hydraulic system.Can, by ensureing that the specific pressure of directive wheel and guide rail is certain value, make guiding activity more smooth and easy like this.
Due to the accuracy of manufacture error mainly flatness of guide pass and the error of perpendicularity of guide rail and hydraulic press workbench of guide rail, therefore, the adjustment of displacement direction of shift adjusting machine is mainly positioned at the vertical direction of guide rail.Therefore the concrete structure of shift adjusting machine can have multiple choices, and the mechanism that can realize the adjustment of displacement in these adjustment of displacement directions in prior art can apply.Below preferably a kind of:
Shift adjusting machine comprises a swing seat, this swing seat by swinging axle hinged support on bearing, meanwhile, this swing seat also by roller shaft and roller hinged.
Like this, roller rolls on guide pass around roller axle center, and when running to the position of trueness error, roller is because of should trueness error and lift or press down and drive swing seat to swing around swinging center.
Said mechanism is further optimized: swing seat by the second jointed shaft and pre-tightening mechanism hinged, swinging center, roller axle center, the second hinged axle center are a kind of Triangle-Profile.
Like this, because three axle center are all hinged, both can allow pre-tightening mechanism be specifically configured with more more options, and, the rocking action of swing seat more freely, smooth and easy.
Optimizing further again of said mechanism is: roller axle center is vertical with guide pass with the line in the second hinged axle center.
Further optimize and be: roller axle center is vertical with guide pass with the line in the second hinged axle center, and meanwhile, the first hinged axle center is parallel with guide pass with the line in the second hinged axle center.
Like this, whole floating guide device will compacter and activity freely.
Have two moving parts spaced apart up and down and form moving sets with same guide rail.
Have the corner that four guide rail moving sets lay respectively at walking beam.
beneficial effect
The invention solves the problem that Long travel press is high to the requirement of processing and assemble, under the prerequisite not improving machining accuracy, effectively prevent moved cross beam from may occur causing due to column and the accuracy of manufacture error such as lower table face perpendicularity is too low in total travel having some setbacks and even stuck phenomenon, make guiding activity smooth and easy.Can combinationally use with dynamic leveling device simultaneously, and make dynamic leveling device be applied in comparatively on Long travel hydraulic press smoothly, ensure that moved cross beam is when close to die-closed position, dynamic leveling device is normally worked and is automatically adjusted the level of moved cross beam, ensure the precision of accurate matched moulds and goods, effectively prevent the position deviation due to moved cross beam and lower table and cause and wipe mould phenomenon and mold damage.
Accompanying drawing explanation
Fig. 1 is the structural representation front view of preferred embodiment;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the B-B sectional view of Fig. 1;
Fig. 4 is the structural representation that the present invention applies on Long travel press;
Label declaration:
1. guide rail 2. frame 3. moving part 4. walking beam 5. block 6. leveling hydraulic cylinder 7. sill 31. roller 32. roller shaft 33. shift adjusting machine 34. swinging axle 35. second bearing 36. first jointed shaft 37. pre-tightening mechanism 38. second jointed shaft 39. first bearing.
Detailed description of the invention
most preferred embodiment:
Below in conjunction with accompanying drawing, the present invention is described in more detail.
Consult Fig. 1, Fig. 2 and Fig. 3, be applied in compared with the floating guide device on Long travel hydraulic press, comprise guide rail 1 and the moving part 3 of guiding movement on guide rail, moving part 3 comprises bearing, pre-tightening mechanism 37, shift adjusting machine 33 and roller, and bearing is fastenedly connected by the first bearing 39 and the second bearing 35 and is formed; Pre-tightening mechanism 37 is a kind of hydraulic cylinders, hydraulic cylinder rear end by rear earrings axle as the first jointed shaft 36 be hinged on the first bearing 39, hydraulic cylinder rod end by vestibule annulate shaft as the second jointed shaft 38 be hinged on shift adjusting machine 33; Shift adjusting machine 33 comprises a swing seat, and this swing seat is by swinging axle 34 hinged support on the first bearing 39 and the second bearing 35, and meanwhile, this swing seat is also hinged by roller shaft 32 and roller 31; Roller shaft 32 axle center is vertical with guide pass with the line in the second jointed shaft 38 axle center, simultaneously, first jointed shaft 36 axle center is parallel with guide pass with the line in the second jointed shaft 38 axle center, and swinging axle 34 axle center, roller shaft 32 axle center, the second jointed shaft 38 axle center are a kind of Triangle-Profile.
With reference to Fig. 4, guide rail 1 is fixed in frame 2, moving part 3 to do on the walking beam 4 that moves up and down in relative frame 2 by the first bearing 39 tight joint, have two moving parts about 3 spaced apart and form moving sets with same guide rail 1, have the corner (only drawing two in figure) that four guide rail moving sets lay respectively at walking beam 4, leveling hydraulic cylinder 6 has 4 to be arranged on sill 7 respectively, each leveling hydraulic cylinder 6 is provided with the displacement transducer accurately detecting position, closed loop is formed by electrical system and the hydraulic system controlling leveling hydraulic cylinder, before matched moulds, leveling hydraulic cylinder 6 contacts with the block 5 be arranged on walking beam 4, the level of automatic adjustment walking beam 4, to ensure the precision of accurate matched moulds and goods.
The course of work is as follows: walking beam 4 fast downlink, if because of the reasons such as trueness error cause walking beam 4 have an eccentric load time, now hydraulic cylinder as pre-tightening mechanism 37 corresponding actions can make roller 31 or stressed yielding or loosen pendulum but Compliant pressure is on guide rail 1 all the time, the size of Compliant pressure power controls by the pressure-reducing valve of hydraulic system;
When 1 or multiple block 5 contact the piston rod of leveling hydraulic cylinder 6, send instruction, servo valve action by electrical system, control the astern speed of leveling hydraulic cylinder 6 piston rod, walking beam 4 keeps level row and synchronously declines, until complete compacting action.Roller 31 now in moving part 3 is adjacent to guide rail 1 all the time.If do not have floating guide device, so during leveling, walking beam 4 then can not ensure closing precision with the excesssive gap of guide rail 1, too small then easily and guide rail 1 stuck.The control method of electrical system four-corner leveling, can adopt known method as with the displacement of certain cylinder for benchmark, control other 3 cylinders and reference synchronization.
It is same as the prior art that the present invention does not state part.The embodiment of the above is only preferred embodiment of the present invention, not limits practical range of the present invention with this, therefore the equivalence change that all methods according to the present invention and principle are done, all should be covered by protection scope of the present invention.
Claims (4)
1. one kind is applied in compared with the floating guide device on Long travel hydraulic press, comprise guide rail (1) and the moving part (3) at the upper guiding movement of guide rail (1), guide rail (1) is fixed in frame (2), moving part (3) is arranged on relative frame (2) and does on the walking beam (4) that moves up and down, guide rail (1) and moving part (3) form moving sets, it is characterized in that, moving part (3) comprises bearing, pre-tightening mechanism (37), shift adjusting machine (33) and roller (31), pre-tightening mechanism (37) and shift adjusting machine (33) are supported on bearing respectively, shift adjusting machine (33) is connected with pre-tightening mechanism (37), roller (31) is arranged on shift adjusting machine (33), described pre-tightening mechanism (37) by the first jointed shaft (36) hinged support on bearing, described shift adjusting machine (33) comprises a swing seat, this swing seat passes through swinging axle (34) hinged support on bearing, simultaneously, this swing seat is also hinged by roller shaft (32) and roller (31), described swing seat is hinged by the second jointed shaft (38) and pre-tightening mechanism (37), swinging axle (34) heart, roller shaft (32) heart, second jointed shaft (38) heart is a kind of Triangle-Profile, described roller shaft (32) heart is vertical with guide rail (1) face with the line of the second jointed shaft (38) heart, simultaneously, first jointed shaft (36) heart is parallel with guide rail (1) face with the line of the second jointed shaft (38) heart, guide precision error and when having caused eccentric load, pre-tightening mechanism corresponding actions and make roller or stressed yielding by the shift adjusting machine of in real time adjustment or loosen to put but all the time Compliant pressure on guide rail.
2. to be according to claim 1ly a kind ofly applied in compared with the floating guide device on Long travel hydraulic press, to it is characterized in that, described pre-tightening mechanism (37) or a kind of Compress Spring, or a kind of hydraulic cylinder.
3. to be according to claim 1ly a kind ofly applied in compared with the floating guide device on Long travel hydraulic press, to it is characterized in that, have two moving parts (3) spaced apart up and down and form moving sets with same guide rail (1).
4. to be according to claim 1ly a kind ofly applied in compared with the floating guide device on Long travel hydraulic press, to it is characterized in that, have the corner that four guide rail moving sets lay respectively at walking beam (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110358155.9A CN102416709B (en) | 2011-11-11 | 2011-11-11 | Floating guide device for use on long-travel hydraulic press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110358155.9A CN102416709B (en) | 2011-11-11 | 2011-11-11 | Floating guide device for use on long-travel hydraulic press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102416709A CN102416709A (en) | 2012-04-18 |
| CN102416709B true CN102416709B (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110358155.9A Active CN102416709B (en) | 2011-11-11 | 2011-11-11 | Floating guide device for use on long-travel hydraulic press |
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| Country | Link |
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| CN (1) | CN102416709B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102935727B (en) * | 2012-09-20 | 2015-12-23 | 宁波思进机械股份有限公司 | For the gapless slide block of cold shaping machine |
| CN107971441B (en) * | 2017-11-14 | 2023-11-28 | 宜昌江峡船用机械有限责任公司 | Hot die forging press and control method |
| CN110001107B (en) * | 2019-03-29 | 2021-03-05 | 滁州益佳模具设备制造有限公司 | Stamping equipment convenient to replace die |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2427316Y (en) * | 1999-05-26 | 2001-04-25 | 杨光华 | Novel, vertical hydraulic machine for pressing garbage into compacted blocks |
| CN201458454U (en) * | 2009-04-03 | 2010-05-12 | 孙国聘 | Liquid-gas fully-sealed roller cage shoe |
| CN101913267A (en) * | 2010-07-22 | 2010-12-15 | 湖州机床厂有限公司 | Position detecting device for sliding block of hydraulic press |
| CN202319055U (en) * | 2011-11-11 | 2012-07-11 | 福建海源自动化机械股份有限公司 | Floating guide device applied to long-stroke hydraulic press |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3689010B2 (en) * | 2001-03-15 | 2005-08-31 | 株式会社放電精密加工研究所 | Press machine |
| CN2540393Y (en) * | 2002-05-01 | 2003-03-19 | 周文炳 | Contact roller device of mine hoist |
| CN2873720Y (en) * | 2005-11-04 | 2007-02-28 | 陈百合 | Rolling wheel pot ear |
| CN201971517U (en) * | 2010-12-17 | 2011-09-14 | 邹城兖煤明兴达机电设备有限公司 | Rolling wheel tank lug |
-
2011
- 2011-11-11 CN CN201110358155.9A patent/CN102416709B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2427316Y (en) * | 1999-05-26 | 2001-04-25 | 杨光华 | Novel, vertical hydraulic machine for pressing garbage into compacted blocks |
| CN201458454U (en) * | 2009-04-03 | 2010-05-12 | 孙国聘 | Liquid-gas fully-sealed roller cage shoe |
| CN101913267A (en) * | 2010-07-22 | 2010-12-15 | 湖州机床厂有限公司 | Position detecting device for sliding block of hydraulic press |
| CN202319055U (en) * | 2011-11-11 | 2012-07-11 | 福建海源自动化机械股份有限公司 | Floating guide device applied to long-stroke hydraulic press |
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| CN102416709A (en) | 2012-04-18 |
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Address after: 350101 No. 2 Tieling North Road, Jingxi Town, Minhou County, Fuzhou City, Fujian Province Patentee after: Fujian Haiyuan Composite Materials Technology Co.,Ltd. Address before: 350000 Tieling industrial concentration area, Minhou County, Fuzhou City, Fujian Province Patentee before: FUJIAN HAIYUAN AUTOMATIC EQUIPMENTS Co.,Ltd. |